A common mistake among those who work in sport is spending a disproportional amount of time on "x's and o's" as compared to time spent learning about people.
Mike KrzyzewskiWhen I had troubles, I'd go out - with basketball, you can do it by yourself, too. So you'd go out and shoot, and you'd fantasize.
Mike KrzyzewskiBasketball was not my main sport in grade school, or even the first year of high school.
Mike Krzyzewski